public void saveTreatment(Treatment treatment) throws InvalidModelException {
// validation
List<String> errors = new ArrayList<String>();
List<Treatment> treatmentsList =
treatmentDao.getTreatmentsByRadarNumber(treatment.getRadarNumber());
// Cannot start a new treatment after a previous treatment start date which has not been closed
for (Treatment existingTreatment : treatmentsList) {
if (existingTreatment.getId().equals(treatment.getId())) {
continue;
}
if (existingTreatment.getEndDate() == null
&& treatment.getStartDate().compareTo(existingTreatment.getStartDate()) > 0) {
if (treatment.getEndDate() != null) {
if (treatment.getEndDate().compareTo(existingTreatment.getStartDate()) > 0) {
errors.add(TreatmentManager.PREVIOUS_TREATMENT_NOT_CLOSED_ERROR);
break;
}
}
}
}
// dates must not overlap
for (Treatment existingTreatment : treatmentsList) {
if (existingTreatment.getId().equals(treatment.getId())) {
continue;
}
if (RadarUtility.isEventsOverlapping(
existingTreatment.getStartDate(),
existingTreatment.getEndDate(),
treatment.getStartDate(),
treatment.getEndDate())) {
errors.add(TreatmentManager.OVERLAPPING_ERROR);
break;
}
}
List<Date> datesToCheck = Arrays.asList(treatment.getStartDate(), treatment.getEndDate());
// cannot be before date of birth
Patient patient = patientManager.getPatientByRadarNumber(treatment.getRadarNumber());
if (patient != null) {
Date dob = patient.getDob();
if (dob != null) {
for (Date date : datesToCheck) {
if (date != null) {
if (dob.compareTo(date) > 0) {
errors.add(TreatmentManager.BEFORE_DOB_ERROR);
break;
}
}
}
}
}
// cannot be after today
Date today = new Date();
for (Date date : datesToCheck) {
if (date != null) {
if (today.compareTo(date) < 0) {
errors.add(TreatmentManager.AFTER_TODAY_ERROR);
break;
}
}
}
if (!errors.isEmpty()) {
InvalidModelException exception = new InvalidModelException("treatment model is not valid");
exception.setErrors(errors);
throw exception;
}
treatmentDao.saveTreatment(treatment);
}
public List<Treatment> getTreatmentsByRadarNumber(long radarNumber) {
return treatmentDao.getTreatmentsByRadarNumber(radarNumber);
}